[#1607] adm/ape: Adopt policy reader

Embed https://git.frostfs.info/dkirillov/policy-reader
tool to 'frostfs-adm morph ape' command

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

cmd/frostfs-adm/internal/modules/morph/ape/chains/root.go

@@ -0,0 +1,32 @@
+package chains
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/commonflags"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var Cmd = &cobra.Command{
+	Use:   "chains",
+	Short: "Chain related policy operations",
+	Long:  "Chain related policy operations. Complex scenarios like: list all user chains (including groups, namespaces).",
+	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
+		_ = viper.BindPFlag(commonflags.EndpointFlag, cmd.Flags().Lookup(commonflags.EndpointFlag))
+	},
+}
+
+const (
+	policyHashFlag    = "policy-hash"
+	frostfsidHashFlag = "frostfsid-hash"
+)
+
+func init() {
+	Cmd.PersistentFlags().String(policyHashFlag, "policy.frostfs", "NNS name or script hash of policy contract")
+	Cmd.PersistentFlags().String(frostfsidHashFlag, "frostfsid.frostfs", "NNS name or script hash of frostfsid contract")
+
+	Cmd.AddCommand(listUserCmd)
+	initListUserCmd()
+
+	Cmd.AddCommand(listContainerCmd)
+	initListContainerCmd()
+}